Satco S3120 20 Watt 300 Lumens T3 Halogen G4 Base 12 Volt Clear Light Bulb, Dimmable Manufacturer: sitcom products Manufacturer part Number: S3120 Saco halogen lamp T3, 20 watt, 12 volt, begin, clear, UV filter - F000185 2000 Average rated hours 20-Watt G4 base Clear T3 bulb